Refrigerating apparatus.



B'. & l. B. PLEKENPUL.

REFRIGERATING APPARATUS. APPLICATION mn 0617.5

PatentedNov. 7,

4 SHEETS-SHEET 1.

im @66.2% Wd,

lall

lltlillliililtx B. I J. B. PLEKENPOL. REFRIGEHATNG APPARATUS,

APPLICATION FILED OCT. 1915.

Paened Nov. 7, MIS

4 SHEETS-SHEET 2.

B. & B. PLEKENPOL,

4 REFRlGEHATING APPARATUS.

Patented Nov. T, 1916 4 SHkE TS-SHEET 3.

NTM-5.

'8. SII. B, PLEKENPOL HEFRIGERAIING APPARATUS.

' APPLICATION FILED OCT. 7, 1915. Y I. .204.06m imma Nov. 7,1916.

4 SHEEIS-SHEET 4.

BEST AVAILABLECOP 4BEIRIhlAl-WJ) PLEKENPOL .AND JOHN' B. ?LEKENPOL. CLEVELAND, OHIO.

moroni .g y

lTo @ZZ whom 'may concern: c

Be 1t known that We, BERNARD PLEKEN- roi, and Joint Al. PLEKENPOL, citizens ofthe United StatesiY residing at Cleveland, 1n the county of Cuyahoga and State of Ohio, ha ve invented acortmnnew and useful m.-

provenient in Refrigorating Apparatus, oilv which thc following is a full, clear, and] exact (inscription, reference .being had to ther will he. dura le and easy to operate and at the same time inexponsive. Y

With these objects 1n View the mventlon consiots in thenovel features oiy eonstrnction and combination all or' whichivill hc fully'descrilicd hereinafterand pointed out in the claims; r

ln the drau'nlgrraI forming a ypart-ol". this sporification Figure l is n wrtiral "longiin forni illustrated in Fig. 7.

tudinal Sectional vieu' of one form 'of our reix'igeralfingf apparatus: Fig. 2 is a detail scrtienl on' the line 2-42 of -Fgu l.: Fig. .fl

4--4 of Fig. l: Fig. Tris u Sectional' ele\'a. tion on tho line .3m-5 of Fig. l: Figs (l is a sectional elevation on the. line ont? o Fig.' 7; Fig. 'T is a longitudinal sectional rien' of n modified form of apparatus, and Fig. 8 is a detail viowxof piston'ancl yoke cinployed in carivinr out our invcntionwwo em lo two tanks l() andell' `preferably side. oy sido thel tank l@ boing adaptedto contain water while` the tank ll contains a Strong solution olf brine which 15- piped.` and circulated m ,i any desired anannerfor rofrlgeratmg pulay noses. llithin the, tank.' l0 the condenser is rotatml while 'in the tank 1l we rotatothe f vaporzer,A tlio condenser and vaporizcr be- ."lfrom the condensor ntothc vaporizer'and iS then sucked buck and recompresxscl after the usual method of doviocs of this cliaractor. While we utilizo this 'alterna-tc method of vaporization .and oondensationv in our ap- REFRIGERA'IlINGfv APPARATUS.

Specification of Letters Patent. Patmltd Nov,

' application Vsued october 7, 1915. serial un. 54,630. l l

`paratusthe. nleans whereby we accomplish these operations possesses certain points of novelty which we Shall now describe in detail. y l

The rondcnser consists of a vrsheet metal shell' l2 composed of two siniilnr sections ybolted together and at one end the shell is rigidly seeuredlo a journal 13 which turns in a suitable beaming il beingfflriren oy a pulley l5 receiving its power from any suit*` `able source. We prefer to make vthe v coin adenser `of shoot metal as 4it hasffS/ulicicnt tensile strengtlnaiul being thinner 'than cast kiron can lie cooled much more readily. ,The 4oppooite endof theohell` is connected, to a casting-16. the coi'istruction and function of which will hc explained more, fully heroinu after.

'lllserving as' a hearing for thc journal ,portion of the oasm'g which Jn: real1t Conatitntcs the suction rhamher of our appaf ransand nel'orably has rast integral tjliorewith'vthe comprension `cylinders i9 herein.- ar'tcr to be decrrihcdin detail. The. 'openr end of the easing or chamber 17 is closed by means of a circular vplato .20 bolted to the end of tho ceasing or chamber as shown, and this 'plate 29 has an integral tubular beni*` casting lo, and in which turns the shaftl, one end of this shaftextending into ther vaporizer while, thefother cnf] thereof is. jonrnaled in the tapering hub portionof the `ing` portion 2l which passes 'through the mining l?, and. within ythe casing or chamber lkthis shaft i'serunlcod us indicated 'at 23. In raoticc we may employ anynumborlof cylmt ors, six being' shown 1n tho drawings for purposes of illustration, said cylinders t hoingarrangccl in pairs atdiamotr'ically Yo posite joints and eachpair spaced' romto next 'a jacont pair a distance ofk 60," yar. most yclearly illustrated in Fight." BY this ar rangement we nro able to distribute thocylinders cqluiclista-ntjovor the cylindrical. portion of tio casing `constlaltng thofsuc tion chambcrlse'c Fig. 4). 1lffjponthe cranky portion ot tho shaft at eqniclistkant points we mount the blocks Q zl sliding in the yokos and connected to the oposito sides' of, cach i t yoke are the oppcsitely lsposed pistons 26?'` wiey -sion cylinder the upper end of the BEST AVAILABLE COPYy which work back and forth in the inner portion of the cylinder the outer portion of said cylinder being locatedbupon the outside of the casing 17 within the condenser and containing the valve mechanism by means of which the compressed vapors are discharged into the condenser. The cylinders being ar- V'ranged in pairs opposite' each other it is obvious that as the crank shaft is rotated the vpistons are alternately moved in and out of 29'passing through the solid portion and',k having a limited movement` in the apertures' 30 produced in the tubular member. rlhe member 28 ts snugly within the tubular portion 27 at its inner and outer ends and is reduced intermediate its ends as shown and the portions thereof which fit snugly are grooved as indicated ,at 31 so thaty the vapor in'the chamber can pass through into the compresiston carrying a tapered valve 32 `which is a apted to engage the seat 33 formed at'the outer end of the tubular portion 27, and upon the snction stroke of the piston within the cylinder the valve' is unseated and the vapors pass through the tubular portion of the piston `into the cylinder and upon the neat stroke the said vapors are compressed and forcedthrough the discharge valve 32 into the con; denser. The outer und of the cylinder or that portion within the condenser is prefer-' ably slightly larger than the portion within the same in place; a spring the casing and has an apcrtured valve seat 34 arranged therein within which seats the valve carried by a cup or plug 36 which is secured into the threaded end of thel cylinder and which fits upon the seat 3ft and holds 37 bearing` upon the Vahley and normally holding thc .same seated. 'if' hc end of the capor plug 36 is spaced slightly from thc valve scat or ring 34 and this cap or plug is provided with ports or passages 39 through which the coniprcsscd vapor is forced 'upon the compression strolcc ol the piston within the cylinder as the valve is unscatcd and thc lluid or coni.- prcsscd vapor passes through the apcrturcd scat out through thc ports or passages 3H into thc condenser and in this n'ianncr the refrigeratingr fluid is sucked in and compressed and condensed apli liquefied. 'lhc condenser as previously stalcd revolves in the water containcd within the tanleand thc cranlrY shaft is rotated in a, manner hereinafter explained but thc suction chamber or casing 17 in his'. 1 normally remains stationary, and in order to so maintain the .sanic we attach a weight 39 lo one sidc of the cylindrical cspassage 46 formed ing or chamber by means of bolts passing into the flanges as shown in Fig. 1, there being an opening formed in the weight to receive a central cylinder. By gravity, therefore, the cylindrical casing or suction chamber will be held stationary while the condenser, shaft and vaporizer rotate. The casting 16, previously referred to, is formed with a flange 40 to which the condenser shell is secured and this casting extends into the shell and contacts with theend of the plate 20, and is formed with a passage 41, to thc inner end of which is attached a pipe 42 arranged within the condenser, the purpose of this pipe being to collect the condensed and liquefied refrigerating fluid and conveyth'e same through the passage 41 into the condensing coil i3 having its receiving end secured in the outer end ofthe passage`41 in the lange'lO and this coil is carried around in convolute form the desired number of times and connected at itsouter end to a valve casing 44 which is bolted to. the opposite side ot the casting y16 and has its dis.- charge passage 45 communicating with the in said casting (see Fig. 3). lVithin the casing Uf is afvalve 47 having a tapered end 48 adaptedto seat against a ring 49 located within the casing. The casing also carries'a double `faced movable valve 50 which is adapted to close the passage 45 and also Contact with 4the ring scat 49. The valve t7 has exterior grooves which permit the passage of theliquid when the valve is unseated, and when the machine is in operationy this valve -l7 is normally un.

this manner passes into the passage 46 which communicates with the passage `51 formed lin a casting 52 to which the vaporizing coils 53 are connected by thc flanges 53 these coils being connected at di fl'crent points and given as many convolntions as desired and then connected by llangesll to the opposite side of the casting 52 where they communicate with the passage 54 formed in the casting 52 and "onnnunicate with the, ccntral passage 55 produced in thc shaft 22. the shaft being rigidly connected to thc casting 52 by means of a key 56,.:ind the casting' 52 is united to tho casting lli by bolts 57 and at the same time" the two-piece shell 58 which su'rroundsthc vaporizing coils is connected to the castingr 52. A journal 59 is secured to theend of the vaporizing shell receives the end of casting 52 and serves to'support the machine at that cnrLany suitable bearing being employed in connection with this journal 59.

TnA order to prevent excessive pressure within the condenser wc arrange a weighted collar .60 upon the hub portion 18ml the vcylinli'icel casing 17 seid `iveikglilzed collar. having eny aperture 61 Wlncliis adapted inc -ccmmunlcete wich the passage 62 formeclln BEST AvAxLAeLE comy the imi? portion 18,"find which in turn ccmmunilzssizes 'With'the passage 63. produced in the icljacenb enel cf the shaft and-ccnnnunb f eating with the sucigien chzntnbeixx Excessive pressure Within the condenser lsevoicleci byihis construction inasmuch :is the casing 'n i7 end slieftf22 Wili rotate tcgetlierwlien# ever excessive pressure takes place, and

.when the aperture 62 in the hub comes inte regist'ei with thee ening 6l the excess pres sure Vpasses, throng; tliev passages 61 end 62' and passage 63 back inbe the suction chambei', iliereby equelizing presmresl and relieving excessive piessuefwishin .the conf` denser. y f' ln she illnstretionin Fig.' 7. there yis e slight (lilfei'ence in Velle eonsaructien of elle :apparatus although nene' Whatever kin the mcde "ef epeminiem.L snd'result. 'In the ap# params as the-rem conszructefi.l `ne yimiks h l :ind k13; arefexectly elle. seme an'likewise.

the jcnrnelflgbeering le Mid pulley im driving illesa,pperetns.-.r The cylinders i9 ecc'v consti-notai and arranged identically elle same and -fe ,operated through the 'medium ci' e crank ysl/iefi; 'lwhichhes ene end `passed through isiiel end .cf suction cheminer Mend olien-eicel the mainjcur-- nel 3,3 es mosjlcleay sliOWn the opposite y A. end of the shalt G-being jeuinaled in e 'cestini-.T r(2lfxereinaizefr mere fully described.

'.ihe suction chamber. 71,'. at one( side is formed with e 'flange portion 7l owlncli `the shell lf3 Ofilie c'nenser is secured, the cpposite end i aid shell being securely s f'a'seneil te the enelk 'of suction .chembecby 40.

,ineens ci' si' flange 7 4' tlicngh which che vhuls ere passe@ this flange 74:v surrounding the cnil ci' casting. 72 where' tlxesaine con tees with the end ci the' siicbionchamber.

A; Weight 75 is securely-fastened itc ille end cf tl'ieshfb'm passing thioxiglithe .end uf Ll'xe'si'iction chai'nber,.s:iid Weight 75 beingV incliise'il by e' shell 76 Vbolted. to the cp,

weite side' of the {iangge 71*L and ce lle f Jinxrnslfjvgthis weight 7 being mede with :i iinllginf-jpcrti-cn 77 incl-(ler te illiv the space wmf 4lnicl 'effet lieifnglccnipressed.. inte the feline fpesssinto; -ie Voiled pipe 78 'which enters tlaefceiifienser yat the rem" encl and is coiled 'around siiiflfccndeneeitii numbery Lof, limes,

nnlfthen cnnnectefl c the'v'e'lve cesing 1li which is ulentlcnlin construction sind cen-k tizi-nsY the seine" constructicn of valves as illustrated in 'Fig'.f'; iincl'iflcnticel in opei'a.

lien. The discharge passsges leading; from the casing'44 communicates with av passage 80 formed inthe' austin 72 which passage 80 communicates 'at t ey desired VKvalve at the enfl of c is relieved.

number of points with the veporizing coils censtrcted and 'arranged exactly the saine es. previously described und being contained within e sl1ell'58. These vapoiizing' coils 53 eig their opposite ends'conimunicate' with the passage 54 the seme es previously described, said passage 5e being given return bend as shown and communicating with' the pssage 55 'produced inthe end of' the crank shaft; Which'is journaledy in' the lc-,aeiirig 72 so that the yrefrigereting fluid, i vapex'ized in the vapoiizer is sucked buck into the passe es 5e and 55 into the suction chamberjnnd rom there into the condenser through the cylinders and pistons and ouj; through the condenser coils baclcto the vnpcrizer again, /seme as previously clescribei k ,In Figsff and 8 .We have shown a slightly '85 ne previously described.

82, secnrefl in the Harige 'S/'l imdfextends inte she lc'cnclenseigsaid valve being nor'- inelly held sented by a spring 83 'held *in` pince by an apertured plng'. vThe func- 'tioncf this safety' valve is tc relieve` eXces-f:

sive pressure enel when' the pressure exceeds the tension of the spring `83,1;l1e valve 81 is unseebecl and the refrigemting fluid or' vs pors escape through the apertured plug 84k A. sefety'mlve 8l is crrengedin a casing,l

und flown between the flanged end bf the cylindrical casing" or suction clim/ricerA sindv the Weightenfll 1s drawn 1n through the suction chamber around the s1de\of the crank .sl1aft,"tl1ere being sufficient space between- Ink this weyv the ,cife'nlcsimft and bemin the excessivev pressure Wit-'hlnfthe condenser n the device herein slicwn and iiesciiheii5 ythe shaft remains' stationary, beinghellin 'such position by the Weight 75 `While the condenser.' nml vn pmizerrevolve around said Shaft. within theinespective tanks..

' T11-practice, we p rcfe ,to .lubricante the nxnving pnl-iis hy the employment' of. n.1 snitn n able `lnlwicnnt. inthe reirgeruting 4ilu-i0.

in themselves lil-inicien.te, whereas; in others wherever the refrigemting fluiditseif doesl` .not contain. iubrlcuting properties. Some lubricating fluids snel/1y as carbon-suld are 125 it is. advisable to incorporate' e definite i amount of lubricent vtl'ierfmiith. We also prefer te construct. the shnfts22 end 70 With fine spiral grccves along which the llibricenc` sse-r AVALABLECQP" netsnoer i0. in u device of the kind described, the combination with a suction chamber haring :i plurality of oppositely disposed compression cylinders, each having an outwardly g discharging vulve at its outer end, ofa pis,-

ton working in euch. cylinder, each pair of pistons being connected to u yoke, a crunk shaft arranged in the suction chamber, each yohe being connected, to 'siidi crank shaft, each piston being constructedeto peiiimit the passage of iuid into the cylinder and vcornpress the same therein, and e condenser surthe combination With'a suction chamber, of

o condenser surrounding the same, a va porizer, seid condenser and lvaporizer being c rotatable in unison, ineens for conveying the condensedfrefrigerating,fiuid to the vaporirer, 'said ineens havin a. discharge velvenorniaily opened during rotation and edupted to control the discharge of condensed vapors to the vaporizer. l2. in a device of the kind described, the

combine/tion with el suction chamber having s 'plureiity of compression cyiinders pro-V vided with veived cutlets,sa1d cylinders being arranged in oppositeiy disposed pairs,

V'pistons Working Ain seid cylinders, yohes connecting each pair oi? pistons, ,a 'crank shaft arranged in said suctlon chamber und Working inthe yokes, e condenser surrounds' ing seid suction chember, o, condensing coii 'lending from said condenser, a. veporizer comprising; u casting, a plurality" of coils und :i casing, sind vaporizer andreondenser being rotatable in unison; valve controlled means "for conveying `the condensed fluid to the vuporizer together with means' for conveying the veporized Huid-to ,the suction 'chember through the crank shaft.

i3. fin a' device of the-hind described, the combination with oy rotary condenser, and' s rotary vuporizer and e condensingv oil leading from the condenser to the vsporizer,

.e valve et the discharge end of seid` coil,

said voire being opened by centrifugal force during rotation as setl forth;

14e Adevice of the kind described coms prising a Water tank andra. brineV tank, a condenser rotatable in the Water tenir and a vaporizerrotatable, in the brine tank, seid vaporizer and condenserbeing connected tonesses gether, a suction .chamber arranged Within the condenser, means carried by said suction chamber for sucking und .compressing vapors, means for .discharging the compressed vapors into the condenser, together with ,meansy for relieving excessive pressure Within the condenser.

15. ln a device of the kind-described the combination with a pair of cylinders, of pistons Working therein, each piston having a,

passage therethrough, a yoke connecting,

said pistons and having openings communi eating with the piston passage, a crank y shaft and u block on said shaft in said yoke,

and adapted to cut oit the piston passage as set forth.- Y

,ldn n device of the kind described the combination With a condenser' and vaporizer connected together and adapted to rotate in unison, a suction chamber arranged Within the condenser, one or more compression cylinders carried by said suction chamber, a crunk shaft arranged'insaid suction chamber, e piston for each cylinder operative-ly connected with said crankshaft, valve controlled `moons for conveying the condensed vapors 'from the condenser to the vaporizer, said valve being` opened by the rotation of the device, and means including the crank shaft for conveying the vaporized fluid from the vaporizer to the suction chamber.

17'. in a device of the kind described kthe combination with a condenser and vaporize'r, a vsuction chamber arranged within the con'- denser und 'adapted to discharge a coin.- presse'd iuid into the condenser through themedium of one or more compression cylinders, a piston for each cylinder constructed to admit and compress vapors, a crank shaft arranged in the suction: chamber and oper-- atively connected with euch piston, means for conveying the condensed vapors 'from the condenser tothe veporizer, a valve arranged in seid conveyer, said valve being operated `by centrifugal force, means ineludthe vaporized Huid from thevaporizer to the suction chamber, und means including the oppositeend of the crank shaft for reiieving excessive pressure in the condenser. In testimony whereof, We hereunto aiiix our signatures in the presence oi two Wit BERNARD PL'EKENPGL. JOHN B. PLEKENPOL. Witnesses:

` CHAs. E. BROCK,

Huur-r B. MCGILL., 

